Bitcoin Do The Math Organic CrewneckThis one is for the problem solvers. The ones who like to look a little closer. At first glance, the "Do the Math" print is a simple phrase, but the original graphic is a clever typographic puzzle. I've hidden numbers in the letters to give it the feel of a mathematical equationa tribute to the beautiful, undeniable logic of the protocol. It's a piece of designer Bitcoin apparel printed on a premium, soft organic cotton crewneck. Run the numbers.